Mechanical simulation of li-ion cells and derivation of state of safety function
In this thesis different experiments are conducted to characterize the mechanical behavior of lithium ion cells. Compression and indentation of cells in pouch and 18650 formats was conducted. The suitable experiment setups for each test were designed. The rate dependency of pouch cells through a no...
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| Other Authors: | |
| Format: | Thesis |
| Language: | English |
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2016
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| Online Access: | http://hdl.handle.net/10356/66305 |
| _version_ | 1826116331715428352 |
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| author | Li, Zheng Bo |
| author2 | Eliud Cabrera Castillo |
| author_facet | Eliud Cabrera Castillo Li, Zheng Bo |
| author_sort | Li, Zheng Bo |
| collection | NTU |
| description | In this thesis different experiments are conducted to characterize the mechanical behavior of lithium ion cells.
Compression and indentation of cells in pouch and 18650 formats was conducted. The suitable experiment setups for each test were designed. The rate dependency of pouch cells through a normal compression was observed. The difference of mechanical behavior of cells with different active material was discussed. A relationship between peak load and internal short circuit of pouch cells under indentation was concluded. Calibration and verification of 3D finite element simulation models was discussed. The simulation of compression and indentation of different types of cells were done. A good correlation of load-displacement was obtained in some cases, but not for all cases. A state of safety function was developed in terms of pressure behavior of a pouch cell. |
| first_indexed | 2024-10-01T04:09:35Z |
| format | Thesis |
| id | ntu-10356/66305 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T04:09:35Z |
| publishDate | 2016 |
| record_format | dspace |
| spelling | ntu-10356/663052023-03-11T16:52:17Z Mechanical simulation of li-ion cells and derivation of state of safety function Li, Zheng Bo Eliud Cabrera Castillo School of Mechanical and Aerospace Engineering DRNTU::Engineering::Aeronautical engineering In this thesis different experiments are conducted to characterize the mechanical behavior of lithium ion cells. Compression and indentation of cells in pouch and 18650 formats was conducted. The suitable experiment setups for each test were designed. The rate dependency of pouch cells through a normal compression was observed. The difference of mechanical behavior of cells with different active material was discussed. A relationship between peak load and internal short circuit of pouch cells under indentation was concluded. Calibration and verification of 3D finite element simulation models was discussed. The simulation of compression and indentation of different types of cells were done. A good correlation of load-displacement was obtained in some cases, but not for all cases. A state of safety function was developed in terms of pressure behavior of a pouch cell. Master of Science (Aerospace Engineering) 2016-03-23T06:35:18Z 2016-03-23T06:35:18Z 2016 Thesis http://hdl.handle.net/10356/66305 en 84 p. application/pdf |
| spellingShingle | DRNTU::Engineering::Aeronautical engineering Li, Zheng Bo Mechanical simulation of li-ion cells and derivation of state of safety function |
| title | Mechanical simulation of li-ion cells and derivation of state of safety function |
| title_full | Mechanical simulation of li-ion cells and derivation of state of safety function |
| title_fullStr | Mechanical simulation of li-ion cells and derivation of state of safety function |
| title_full_unstemmed | Mechanical simulation of li-ion cells and derivation of state of safety function |
| title_short | Mechanical simulation of li-ion cells and derivation of state of safety function |
| title_sort | mechanical simulation of li ion cells and derivation of state of safety function |
| topic | DRNTU::Engineering::Aeronautical engineering |
| url | http://hdl.handle.net/10356/66305 |
| work_keys_str_mv | AT lizhengbo mechanicalsimulationofliioncellsandderivationofstateofsafetyfunction |